Nikon F50 Instruction Manual page 21

4 Look through the viewfinder and position the focus brackets on your
subject.
5
Lightly press the shutter
release button to activate
autofocus operation and the
exposure meter.
p
[ II
If A blinks in the
LCD panel
The
shu~ter
speed set on
the camera is slow and
may cause picture blur.
See page 23.
In Single Servo AF mode, if a stationary subject
moves, remove your finger from the shutter
release button, then lightly press it again to
restart autofocus.
21